Merge wt/step-logs-t10: Task 10

src/ZB.MOM.WW.ScadaBridge.Commons/Messages/Management/FlowDebugCommands.cs

@@ -61,6 +61,11 @@ public record FlowDebugReplayCommand(Guid ExecutionId);
 /// <param name="Truncated">True when the inline event list was capped (the audit rows remain complete).</param>
 /// <param name="StartedAtUtc">When the run started.</param>
 /// <param name="FinishedAtUtc">When the run finished (or the replay was served).</param>
+/// <param name="LogsTruncated">
+/// Step-logs (D7, 2026-09-09): true when the inline <c>FlowTraceCollector</c> dropped one
+/// or more low-priority <c>ScriptLog</c> rows to protect room for step rows — the run's log lines
+/// are incomplete inline, but Replay (which reads the audit store, never truncated) is complete.
+/// </param>
 public record FlowDebugRunResult(
     Guid RootExecutionId,
     bool Completed,
@@ -69,4 +74,5 @@ public record FlowDebugRunResult(
     IReadOnlyList<AuditEvent> Events,
     bool Truncated,
     DateTimeOffset StartedAtUtc,
-    DateTimeOffset FinishedAtUtc);
+    DateTimeOffset FinishedAtUtc,
+    bool LogsTruncated = false);

src/ZB.MOM.WW.ScadaBridge.ManagementService/FlowDebug/FlowDebugRunner.cs

@@ -188,6 +188,7 @@ public sealed class FlowDebugRunner
             executionId: root,
             durationMs: (int)Math.Min(sw.ElapsedMilliseconds, int.MaxValue),
             errorMessage: result.ErrorMessage,
+            errorDetail: result.ErrorDetail,
             requestSummary: requestJson,
             responseSummary: result.ResultJson,
             extra: new ScriptTraceExtra { Source = SourceTag }.ToJson());
@@ -212,7 +213,7 @@ public sealed class FlowDebugRunner
 
         return new FlowDebugRunResult(
             root, result.Success, result.ErrorMessage, result.Success ? null : result.ErrorCode,
-            ordered, Truncated: collector.Truncated, startedAt, finishedAt);
+            ordered, Truncated: collector.Truncated, startedAt, finishedAt, LogsTruncated: collector.LogsTruncated);
     }
 
     /// <summary>
@@ -397,7 +398,8 @@ public sealed class FlowDebugRunner
         return new FlowDebugRunResult(
             root, response.Success, response.ErrorMessage,
             response.Success ? null : faultCode ?? CallFailedCode,
-            ordered, Truncated: collector.Truncated, startedAt, DateTimeOffset.UtcNow);
+            ordered, Truncated: collector.Truncated, startedAt, DateTimeOffset.UtcNow,
+            LogsTruncated: collector.LogsTruncated);
     }
 
     /// <summary>